New trunk snapshot from ci
Manual update of 6.3.0 to 6.3.1 (including icons)
Remove old files related to 5.x version
BS-8600: wrote basic tests for TestRefactorWidgetOperation. Create a
base for TestRemoveWidgetReferenceOperation but they are not working
BS-8604: ignore empty jars during import avoiding to fail the import of
a process
Use genericity to avoid warnings
Fix headers (provide correct license)
BS-8604: write non-regression test if a bar contains empty jars
BS-8490: import the correct version and id of webservice connector
BS-8490: write test to check that we import the correct version and id
of webservice connector
BS-8514: update tooltip to precise that you cna use a collection,
initialize available values with correct name for Empty List groovy
script
BS-8601: Add referenced elements for Variable in left operand of
operation that are missing ones. This is done during migration so
created a new model version.
BS-7207: open popup in synchronous mode
BS-7872 Improvement on refactoring while deleting data, parameter or widget

- Fix missing right operand in outlines
- Fix algo while looking for referencies when multiple dependencies with the same type + unit tests
- If deleted element is not referenced, the tables with treeview is not shown
Follow web structure refactor, upgrade maven-dependency-plugin version,
strip classifier and use the default artifact to avoid build of
dedicated artifact for Studio.
BS-8347: support export of List expression in Forms
BS-7872 Update text and internationalization after ergo iteration
BS-7872 Fix tests after changes of text
+ correct import of Assert to org.junit.Assert instead of
junit.framework.Assert
Merge branch '6.3.x' into 'BS-8609_JREEmbedded'